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Hi everyone,
I'll be getting a new betta in a few weeks, and I was thinking about putting a terra-cotta pot in the tank when I set it up. I read about this online and got a lot of conflicting answers. The pot is a small clay crock - it's unglazed on the outside but glazed on the inside. It held yogurt originally, so the glaze is food grade. A lot of sources said that glazed pots were unsafe but a few said that it was okay if it was food grade. I know that unglazed pots are porous and make good homes for bacteria. Do you think the pot is safe for my betta tank?
 

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Sure it's safe.

Some glazes contain heavy metals or toxic elements (copper, arsenic, etc). But these, by law, are never allowed in food-grade containers.
 
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